Uncertain; likely a modern American blend
Trenise is a modern American creation, likely emerging in the mid-20th century. It is often interpreted as a blend of the prefix 'Tre-' with the suffix '-ise', or a variation of names like Denise or Treasa. Because it lacks a direct historical root, its specific meaning is not well-documented in traditional etymology.
Less common today
Trenise isn't in the latest US Top 1000. It last peaked at #5,779 in 1991.
US births per 5-year period, 1990βpresent (SSA data).